Revitalize your sleep with the Tempur-Pedic ProSupport Mattress Topper. Made with 3 inches of TEMPUR material. Stay cool and dry while you sleep with the breathable, high-stretch knit performance cover. The cover zips off for easy cleaning. Made with 3 inches of the same one-of-a-kind TEMPUR material found in all of our industry-leading mattresses. Innovative technology conforms and cradles your body to help reduce painful pressure points and disturbances. Performance Cover is breathable and moisture-wicking, feels cool and comfortable. Cover zips off for easy cleaning. Ultimate Fit - Signature Staytight corner straps keep your topper in place, night after night. 300 thread count. 100% memory foam fill. Fits mattresses up to 18 " deep. Twin measures 75 " L x 39 " W. Twin XL measures 80 " L x 39 " W. Full measures 75 " L x 54 " W. Queen measures 80 " L x 60 " W. King measures 80 " L x 78 " W. California King measures 84 " L x 72 " W. 100% memory foam. Cover is machine wash and dry. 10-year limited manufacturer's warranty. Made in the USA of US and imported materials. Each Tempur-Pedic ProSupport Mattress Topper is sold separately.